30255644873 has 2 divisors, whose sum is σ = 30255644874. Its totient is φ = 30255644872.

The previous prime is 30255644843. The next prime is 30255644893. The reversal of 30255644873 is 37844655203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16903380169 + 13352264704 = 130013^2 + 115552^2 .

It is a cyclic number.

It is not a de Polignac number, because 30255644873 - 2²⁰ = 30254596297 is a prime.

It is a super-2 number, since 2×30255644873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30255644843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15127822436 + 15127822437.

It is an arithmetic number, because the mean of its divisors is an integer number (15127822437).

Almost surely, 2^30255644873 is an apocalyptic number.

It is an amenable number.

30255644873 is a deficient number, since it is larger than the sum of its proper divisors (1).

30255644873 is an equidigital number, since it uses as much as digits as its factorization.

30255644873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 30255644873 in words is "thirty billion, two hundred fifty-five million, six hundred forty-four thousand, eight hundred seventy-three".